|Home||American Libraries | Canadian Libraries | Universal Library | Community Texts | Project Gutenberg | Children's Library | Biodiversity Heritage Library | Additional Collections|
|Anonymous User (login or join us)|
THE UNITED STATES. 449 inunity demands a smokeless stack, so that factories are practically compelled to use hard coal; but aside from this, hard coal may be considered simply as the fuel for household purposes in the north- Jf E PIG. XXII-A.—UNITED STATES ; EASTERN HALF.